model	 trise	 tfall	 tplh
TT	1.429346e-10	1.255388e-10	3.273628e-10
TT	1.872043e-10	1.484294e-10	2.543528e-10
TT	1.986335e-10	1.496822e-10	2.202820e-10
TT	2.013114e-10	1.497274e-10	2.032759e-10
